A Study of Desertification Monitoring in Shiyang River Basin

XU Guang; LI Ping

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A Study of Desertification Monitoring in Shiyang River Basin

- A Study of Desertification Monitoring in Shiyang River Basin
- Bulletin of Soiland Water Conservation Vol. 26, Issue 6, Pages: 146-148(2007)
- 作者机构：
  
  甘肃省林业调查规划院,甘肃,兰州,730020
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2007
- 稿件说明：
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XU Guang, LI Ping. A Study of Desertification Monitoring in Shiyang River Basin[J]. Bulletin of Soiland Water Conservation, 2007, 26(6): 146-148.
DOI：

XU Guang, LI Ping. A Study of Desertification Monitoring in Shiyang River Basin[J]. Bulletin of Soiland Water Conservation, 2007, 26(6): 146-148. DOI：

摘要

介绍了石羊河流域荒漠化程度变化的历史沿革。通过对1999年和2004年荒漠化监测结果的对比表明

石羊河流域荒漠化总面积增加了164 271.6 hm~2

比1999年增长6.47%

年均递增率1.29%。分别从荒漠化类型变化和程度变化两方面分析了石羊河流域荒漠化现状。进-步的监测结果显示石羊河流域荒漠化的发展趋势为整体好转局部恶化。

Abstract

The historical change of desertification in Shiyang River basin was introd uced and the desertification monitoring results in 1999 and 2004 were analyzed.The total area of desertif ication was found to increase by 6.47%

about 164271.6 hm2 from 1999 to 2004

with an average annual i ncrt·ase by 1.29%.From the view desertification changes in type and degree

it is concluded that the desertif ica t i on l'vol u tion t rend of Shiyang River basin is characterized by the whole improvement but local deterioration.

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